Fugitive hacker Aaron Wright resurfaces to ask for help when his co-workers at the NSA are murdered; Junior speaks at the parole hearing of the drunken driver who killed his sister.

Horatio sets out on a personal mission to find his mentor's killer, and Megan worries that he has become too emotionally involved in the case.

A case involving the murder of a drug dealer turns personal for Special Agent Sam Hanna when he discovers his former Navy Seal comrades are involved.

A fake 911 call puts Hondo and the SWAT team on the hunt to stop bombing attacks; Street's relationship with his mother jeopardizes his career; Jessica is thrown a curveball by the president of the police commission.

Hoping for peace and quiet, a pregnant woman and her reluctant husband move to the country where it's safer and calmer. Small-town life seems picture perfect until their next-door neighbors pull them into their twisted fantasy.

When young couple Sarah and Kyle move next door to Helen, a charismatic older woman, they have no idea she's a deeply disturbed psychopath who will stop at nothing to become Sarah's surrogate mother, and grandmother to the child she is expecting.

A couple buy a beautiful home in an upper-class neighborhood where a murder-suicide occurred. However, when strange events begin to happen, they soon suspect their new neighbor may have played a part in the killings.

Horatio and Megan examine the remains of a human torso found in a tiger shark's stomach. Wanda De Jesus guest stars.

Following a murder, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Vance's past.

When mother-of-two Deanna Cook misses her daily call to her mom, her family worries that Deanna's stalker may have something to do with it; her family's 911 call falls on deaf ears and they are forced to make a discovery.

JaRay Wilson texted her mother just minutes before she vanished, and the teen's friends, family and community searched for answers for over a year; someone from JaRay's inner circle later surfaced with shocking details.

When the CIA informs McGarrett that his mother has gone rogue on her undercover mission and may have killed her partner, Steve goes to Mexico to bring her home and prove her innocence.

Horatio and Megan examine the remains of a human torso found in a tiger shark's stomach. Wanda De Jesus guest stars.

Following a murder, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Vance's past.

An earthquake hits Los Angeles while the team is engaged in a standoff with human traffickers holding child hostages; Jim Street has trouble adjusting to his new life as a patrol officer.

When the CIA informs McGarrett that his mother has gone rogue on her undercover mission and may have killed her partner, Steve goes to Mexico to bring her home and prove her innocence.

The SWAT team tries to find a woman and her son who are running from an international drug cartel; Hondo makes a distressing discovery about his incarcerated friend's son; Luca mulls over a government program.

Deputy District Attorney Nia Wells enlists the team to protect the jurors of a high-profile bribery trial after some of them are targeted by organized crime in a series of fire-bombings.

An earthquake hits Los Angeles while the team is engaged in a standoff with human traffickers holding child hostages; Jim Street has trouble adjusting to his new life as a patrol officer.

The SWAT team tries to find a woman and her son who are running from an international drug cartel; Hondo makes a distressing discovery about his incarcerated friend's son; Luca mulls over a government program.

Deputy District Attorney Nia Wells enlists the team to protect the jurors of a high-profile bribery trial after some of them are targeted by organized crime in a series of fire-bombings.

When the CIA informs McGarrett that his mother has gone rogue on her undercover mission and may have killed her partner, Steve goes to Mexico to bring her home and prove her innocence.

Horatio and Megan examine the remains of a human torso found in a tiger shark's stomach. Wanda De Jesus guest stars.

Following a murder, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Vance's past.

An earthquake hits Los Angeles while the team is engaged in a standoff with human traffickers holding child hostages; Jim Street has trouble adjusting to his new life as a patrol officer.

After being tricked into a compromising situation by her cousin Madison, Hanna thinks she can stop her cousin's blackmail scheme by taking her college entrance exam for her.

Struggling to raise two daughters, a widower receives some much-needed help from Alice, a beautiful but mysterious new neighbor. However, when Alice's ex-husband suddenly turns up dead, everyone starts to wonder if she's as sweet as it seems.

A small island community is turned upside down when one of the town's citizens, Russel Douglas, is found dead the day after Christmas.

A wealthy family uses their power and influence to distance themselves from a rape and murder investigation.

The team is assigned to track down a missing unmanned aerial vehicle (UAV) after it is compromised during a training exercise, killing a Marine before it disappears.

The family of Miya Marcano share the agonizing details of what happened around the beautiful, 19-year old's disappearance.

Travel blogger Carla Stefaniak goes to Costa Rica to celebrate her 36th birthday, but when she is to arrive back home in Miami, her awaiting loved ones realize she never got on the plane; Carla's friends and family recount the search to find her.

A new ally helps McGarrett and the team when mob bosses on the island are targeted by an assassin; the team says goodbye to one of its own.

A wealthy family uses their power and influence to distance themselves from a rape and murder investigation.

The team is assigned to track down a missing unmanned aerial vehicle (UAV) after it is compromised during a training exercise, killing a Marine before it disappears.

Hondo suspects an ulterior motive when his romantic interest's estranged husband requests the team's help apprehending a fugitive who is robbing drug cargo shipments; Jessica is forced to implement departmental budget cuts.

A new ally helps McGarrett and the team when mob bosses on the island are targeted by an assassin; the team says goodbye to one of its own.

Tani and Junior must plot an escape for themselves and several civilians after they become trapped inside a deadly tunnel collapse; Eddie the dog sniffs out a bomb that has been planted in McGarrett's home.

A plane that mysteriously crashed into the Pacific in the '80s is found, but with a recently murdered scuba diver inside; McGarrett and Quinn zero in on who planted the bomb in his garage; McGarrett formally asks Quinn to join the team.

Hondo suspects an ulterior motive when his romantic interest's estranged husband requests the team's help apprehending a fugitive who is robbing drug cargo shipments; Jessica is forced to implement departmental budget cuts.

Tani and Junior must plot an escape for themselves and several civilians after they become trapped inside a deadly tunnel collapse; Eddie the dog sniffs out a bomb that has been planted in McGarrett's home.

A plane that mysteriously crashed into the Pacific in the '80s is found, but with a recently murdered scuba diver inside; McGarrett and Quinn zero in on who planted the bomb in his garage; McGarrett formally asks Quinn to join the team.

A new ally helps McGarrett and the team when mob bosses on the island are targeted by an assassin; the team says goodbye to one of its own.

A wealthy family uses their power and influence to distance themselves from a rape and murder investigation.

The team is assigned to track down a missing unmanned aerial vehicle (UAV) after it is compromised during a training exercise, killing a Marine before it disappears.

Hondo suspects an ulterior motive when his romantic interest's estranged husband requests the team's help apprehending a fugitive who is robbing drug cargo shipments; Jessica is forced to implement departmental budget cuts.

A couple buy a beautiful home in an upper-class neighborhood where a murder-suicide occurred. However, when strange events begin to happen, they soon suspect their new neighbor may have played a part in the killings.

Hoping for peace and quiet, a pregnant woman and her reluctant husband move to the country where it's safer and calmer. Small-town life seems picture perfect until their next-door neighbors pull them into their twisted fantasy.

When young couple Sarah and Kyle move next door to Helen, a charismatic older woman, they have no idea she's a deeply disturbed psychopath who will stop at nothing to become Sarah's surrogate mother, and grandmother to the child she is expecting.

On April 3rd, 2017, Assistant Chief Deputy Clint Greenwood is shot dead at point blank range at the Harris County Courthouse outside Houston, Texas; no eye witnesses, but maybe security cameras lead them to Clint's killer.

Shirley Shell is a loving wife and the dedicated mother of three children and two grandchildren, but in 2007, Shirley is found brutally murdered at home in Edmond, Okla.

Amanda Finley will stop at nothing to keep her son Jackson from marrying Olivia, who she believes is after his money.

A man hires a private investigator when his wife disappears on their honeymoon and his bank account gets drained.

Framed for murder by her cheating husband, a newlywed must find a way to absolve herself of a crime she didn't commit while exposing her spouse before it's too late.

A bride's revenge fling with the best man turns her world upside down when her supposedly AWOL groom returns, leading to a fraught marriage haunted by guilt and a vindictive secret-holder bent on destroying their fragile happily ever after.

Amanda Finley will stop at nothing to keep her son Jackson from marrying Olivia, who she believes is after his money.

A bride's revenge fling with the best man turns her world upside down when her supposedly AWOL groom returns, leading to a fraught marriage haunted by guilt and a vindictive secret-holder bent on destroying their fragile happily ever after.

A man hires a private investigator when his wife disappears on their honeymoon and his bank account gets drained.

Framed for murder by her cheating husband, a newlywed must find a way to absolve herself of a crime she didn't commit while exposing her spouse before it's too late.

Struggling to raise two daughters, a widower receives some much-needed help from Alice, a beautiful but mysterious new neighbor. However, when Alice's ex-husband suddenly turns up dead, everyone starts to wonder if she's as sweet as it seems.

A small island community is turned upside down when one of the town's citizens, Russel Douglas, is found dead the day after Christmas.

A man hires a private investigator when his wife disappears on their honeymoon and his bank account gets drained.

A bride's revenge fling with the best man turns her world upside down when her supposedly AWOL groom returns, leading to a fraught marriage haunted by guilt and a vindictive secret-holder bent on destroying their fragile happily ever after.

Dave Kroupa finds himself on the receiving end of twisted messages from his girlfriend, Cari Farver, who abruptly disappears. As Cari's mother continues to search for her beloved daughter, police eventually make a shocking discovery.

Police begin a nationwide search when 22-year-old Gabby Petito disappears while traveling with her fiance, Brian Laundrie.

Dave Kroupa finds himself on the receiving end of twisted messages from his girlfriend, Cari Farver, who abruptly disappears. As Cari's mother continues to search for her beloved daughter, police eventually make a shocking discovery.

Rena Chynoweth is thrust back into her dark past when a violent massacre, tied to the cult she was formerly part of, makes headlines. As a journalist probes her for the truth, Rena recounts her forced marriage to the cult's abusive leader.

Ervil's rage reaches an all-time high and causes Rena to fear for her life and her daughter's safety. Determined to protect her daughter and break free from the cult, Rena must navigate her way to freedom without falling victim to Ervil's paranoia.

Police begin a nationwide search when 22-year-old Gabby Petito disappears while traveling with her fiance, Brian Laundrie.

Rena Chynoweth is thrust back into her dark past when a violent massacre, tied to the cult she was formerly part of, makes headlines. As a journalist probes her for the truth, Rena recounts her forced marriage to the cult's abusive leader.

Ervil's rage reaches an all-time high and causes Rena to fear for her life and her daughter's safety. Determined to protect her daughter and break free from the cult, Rena must navigate her way to freedom without falling victim to Ervil's paranoia.

When a DNA test reveals her late father lived a double life, Shelby meets Rose, the half sister she never knew she had. However, when his inheritance comes into play, Shelby soon fears Rose will do whatever it takes to get what she wants.

A 12-year-old girl becomes jealous when her adoptive father develops a budding relationship with a woman and her teenage son.

A concerned mother tries to protect her teenage daughter when she starts to receive a barrage of degrading texts. When the messages become more threatening, she starts to wonder if the tormentor is someone closer than she ever could have imagined.

A priest is shot to death in his church rectory; Horatio and Delko examine the charred remain of a pregnant woman.

When an Iraqi businessman is murdered, the team searches for the former Marine who was hired to protect him.

When a DNA test reveals her late father lived a double life, Shelby meets Rose, the half sister she never knew she had. However, when his inheritance comes into play, Shelby soon fears Rose will do whatever it takes to get what she wants.

The team investigates a home invasion that turned deadly after a dangerous "monster" escaped from the basement; Max returns to Oahu with a very special guest.

A priest is shot to death in his church rectory; Horatio and Delko examine the charred remain of a pregnant woman.

When an Iraqi businessman is murdered, the team searches for the former Marine who was hired to protect him.

Hondo and Chris try to infiltrate and take back a cruise ship that's under siege by drug smugglers; Street enters the SWAT training academy and finds the competition fiercer than expected, with all of the applicants vying one position that is open.

The team investigates a home invasion that turned deadly after a dangerous "monster" escaped from the basement; Max returns to Oahu with a very special guest.

Five-0 enlists imprisoned hacker Aaron Wright to help when a young girl is reported kidnapped.

Momma Dee's latest antics give birth to new baby mama drama; Yandy and Rasheeda see if they can get their friendship back in calmer waters; Zane finds out if the couple's retreat has advanced his chances of coming home.

Hondo and Chris try to infiltrate and take back a cruise ship that's under siege by drug smugglers; Street enters the SWAT training academy and finds the competition fiercer than expected, with all of the applicants vying one position that is open.

Five-0 enlists imprisoned hacker Aaron Wright to help when a young girl is reported kidnapped.

Momma Dee's latest antics give birth to new baby mama drama; Yandy and Rasheeda see if they can get their friendship back in calmer waters; Zane finds out if the couple's retreat has advanced his chances of coming home.

The team investigates a home invasion that turned deadly after a dangerous "monster" escaped from the basement; Max returns to Oahu with a very special guest.

A priest is shot to death in his church rectory; Horatio and Delko examine the charred remain of a pregnant woman.

When an Iraqi businessman is murdered, the team searches for the former Marine who was hired to protect him.

Hondo and Chris try to infiltrate and take back a cruise ship that's under siege by drug smugglers; Street enters the SWAT training academy and finds the competition fiercer than expected, with all of the applicants vying one position that is open.

A busy working mother hires a nurse to care for her wealthy father, who has early onset dementia, but soon a bizarre deception creeps into play when the seductive nurse makes a play for the family fortune.

When an ex-boyfriend starts stalking her, Angela turns to her devoted husband, Keith, for protection, but no matter what she tries, she can't seem to shake the stalker who is ruining her life.

When Isla and Grace discover that Jake was cheating on them, the girls turn on each other in a jealous rivalry and use their arsenal of social media platforms to badmouth and attack one another.

Horatio and the team investigate the murder of a 5-year-old girl in a restaurant washroom.

The NCIS team must find a motive when they discover the body of a Marine who had been living a double life as a wealthy bachelor.

Residents of small-town Robeson, Penn. were stunned when 23-year-old Ashley Kline went missing on New Year's Eve; the gruesome truth rocked the community.

Nia Wilson and her two sisters decide to take public transportation back home to Oakland, Calif.; the sisters are targeted at a train station; the knife attack sparks a search for the perpetrator.

A deadly hit-and-run involves a driverless car carrying heroin; Tani and Quinn are stuck with a pair of YouTubers who are brought on a ride-along.

Horatio and the team investigate the murder of a 5-year-old girl in a restaurant washroom.

The NCIS team must find a motive when they discover the body of a Marine who had been living a double life as a wealthy bachelor.

The team tries to determine the next diamond dealer to be robbed by thieves executing heists across downtown Los Angeles; Hondo is emotionally affected by a suspect's death; Chris contemplates an unorthodox offer from the new woman she's dating.

Rush is on and Nina is worried she's not "Barbie" enough for sorority life; while her KD legacy mom Jennifer encourages her to go and grow.

Savannah and Grayson reel from the news that the pardon will not be going through this time, triggering painful memories; Chase finally decides to let his guard down and seek therapy; Faye attempts to get Savannah and Grayson to see the light.

Todd and Julie are suddenly pardoned overnight, sending the Chrisleys into a frenzy to bring them home; Chase, Faye, Pam, and Harvey are excluded from plans to bring them home, leading to increasing tensions.

The team tries to determine the next diamond dealer to be robbed by thieves executing heists across downtown Los Angeles; Hondo is emotionally affected by a suspect's death; Chris contemplates an unorthodox offer from the new woman she's dating.

Savannah and Grayson reel from the news that the pardon will not be going through this time, triggering painful memories; Chase finally decides to let his guard down and seek therapy; Faye attempts to get Savannah and Grayson to see the light.

Todd and Julie are suddenly pardoned overnight, sending the Chrisleys into a frenzy to bring them home; Chase, Faye, Pam, and Harvey are excluded from plans to bring them home, leading to increasing tensions.

A deadly hit-and-run involves a driverless car carrying heroin; Tani and Quinn are stuck with a pair of YouTubers who are brought on a ride-along.

Horatio and the team investigate the murder of a 5-year-old girl in a restaurant washroom.

The NCIS team must find a motive when they discover the body of a Marine who had been living a double life as a wealthy bachelor.

The team tries to determine the next diamond dealer to be robbed by thieves executing heists across downtown Los Angeles; Hondo is emotionally affected by a suspect's death; Chris contemplates an unorthodox offer from the new woman she's dating.

Jodi Arias befriends Donavan Bering and Tracy Brown in prison, and they became inseparable. Donavan is released from prison before Jodi's trial and becomes her mouthpiece, posting on social media and defending Jodi. When the details of the case and Jodi's story no longer add up, Donavan refuses to continue her work, bringing out Jodi's vengeful side.

Corrections officer Vicky White develops a secret infatuation with new prisoner Casey White. With his inevitable transfer looming, Vicky risks everything to break Casey out of jail, leading authorities on a nationwide manhunt.

Refusing to marry the man who abused her as a child, an Amish teen runs away to a neighboring city and tries to adjust to life in the modern world.

Poisoning is suspected as the team probes the murder of a male stripper found dead in the wake of a female sex party; a deep sea diver is fatally stabbed while underwater.

Following the murder of a Russian woman, the NCIS team uncovers evidence that answers who and why Callen was shot six months ago.

When 22-year-old Molly Jane Matheson doesn't show up for work, her mother, Tracy, drives to her Fort Worth, Texas, apartment to check on her; Tracy's grim discovery uncovers a string of related crimes that inspire Molly's family to fight for change.

After 26-year-old rideshare driver Carolina Vargas drives a nice stranger to his hotel, she has no qualms about giving him another ride; her trusting gesture turns tragic and Carolina is forced to fight for her life.

The team searches for a killer whose plane crashed in the jungle with $10 million worth of heroin on board; Grover is thrilled when his niece Siobhan comes to try out for the University of Hawaii basketball team.

Poisoning is suspected as the team probes the murder of a male stripper found dead in the wake of a female sex party; a deep sea diver is fatally stabbed while underwater.

Following the murder of a Russian woman, the NCIS team uncovers evidence that answers who and why Callen was shot six months ago.

The team hunts for a band of criminals re-enacting the crimes of the infamous Symbionese Liberation Army; Hondo experiences discrimination from a fellow officer during a SWAT training seminar for local law enforcement in Arizona.

The team searches for a killer whose plane crashed in the jungle with $10 million worth of heroin on board; Grover is thrilled when his niece Siobhan comes to try out for the University of Hawaii basketball team.

When a gunman shoots Reggie Ward at a gas station in Cedar Rapids, Iowa, witnesses and the victim's girlfriend, are unable to identify the shooter; investigators follow a trail of surveillance footage and GPS data to find an unexpected suspect.

In the aftermath of the brutal slaying of a homeless man, James Tony Wise, Portland PD, turns to the footage from CCTV cameras to find his killer; detectives use the images to retrace the rampage through the city of a violent offender.

The team hunts for a band of criminals re-enacting the crimes of the infamous Symbionese Liberation Army; Hondo experiences discrimination from a fellow officer during a SWAT training seminar for local law enforcement in Arizona.

When a gunman shoots Reggie Ward at a gas station in Cedar Rapids, Iowa, witnesses and the victim's girlfriend, are unable to identify the shooter; investigators follow a trail of surveillance footage and GPS data to find an unexpected suspect.

In the aftermath of the brutal slaying of a homeless man, James Tony Wise, Portland PD, turns to the footage from CCTV cameras to find his killer; detectives use the images to retrace the rampage through the city of a violent offender.

The team searches for a killer whose plane crashed in the jungle with $10 million worth of heroin on board; Grover is thrilled when his niece Siobhan comes to try out for the University of Hawaii basketball team.

Poisoning is suspected as the team probes the murder of a male stripper found dead in the wake of a female sex party; a deep sea diver is fatally stabbed while underwater.

Following the murder of a Russian woman, the NCIS team uncovers evidence that answers who and why Callen was shot six months ago.

The team hunts for a band of criminals re-enacting the crimes of the infamous Symbionese Liberation Army; Hondo experiences discrimination from a fellow officer during a SWAT training seminar for local law enforcement in Arizona.

The past comes back to haunt a woman in hiding who killed her abusive husband in self-defense.

Young mother Sherri Papini disappears while jogging and reappears three weeks later on Thanksgiving Day. She claims that two Hispanic women kidnapped and abused her. Four years later, new evidence reveals that her abduction was a hoax she perpetrated to spend time with an ex-boyfriend.

Kidnapped, assaulted and held captive for 18 hours, 15-year-old Kara Robinson plots a daring escape from a serial killer's apartment.

Evidence on a lost, blood-soaked toddler leads the CSI team to her home where each family member's spilled blood tells a tale of horror. Wanda De Jesus guest stars.

While Hetty is at a Senate hearing in Washington, D.C., a murder investigation leads the team to stolen missiles and a dangerous militia group.

Rising social media influencer Alexis Murphy is on her way to a hair appointment, but never arrivea; her worried loved-ones know something was wrong; there's a crack in the case when gas station surveillance video reveals something truly bizarre.

Kelsey's family knew something was amiss when their usually responsible and responsive daughter didn't respond to their texts while out running an errand.

When Adam's girlfriend is kidnapped right in front of him, he shuts out Five-0 and breaks all the rules in order to get her back; the team investigates three seemingly unconnected homicides.

Evidence on a lost, blood-soaked toddler leads the CSI team to her home where each family member's spilled blood tells a tale of horror. Wanda De Jesus guest stars.

While Hetty is at a Senate hearing in Washington, D.C., a murder investigation leads the team to stolen missiles and a dangerous militia group.

The SWAT team races to find a stalker pursuing Tiffany, a social media star, after the dangerous admirer turns a fan event into a shootout that endangers Jessica.

When Adam's girlfriend is kidnapped right in front of him, he shuts out Five-0 and breaks all the rules in order to get her back; the team investigates three seemingly unconnected homicides.

When the team is called into work on their day off to end a hostage situation, they discover one of the captives is a wanted felon; Hondo saves his sister after she's given a roofie at a nightclub.

The SWAT team must recover DNA evidence kits stolen from a crime lab and bring in the crew responsible; financial strain at home makes it difficult for Deacon to focus on his role as leader of the SWAT division's annual holiday toy drive.

The SWAT team races to find a stalker pursuing Tiffany, a social media star, after the dangerous admirer turns a fan event into a shootout that endangers Jessica.

When the team is called into work on their day off to end a hostage situation, they discover one of the captives is a wanted felon; Hondo saves his sister after she's given a roofie at a nightclub.

The SWAT team must recover DNA evidence kits stolen from a crime lab and bring in the crew responsible; financial strain at home makes it difficult for Deacon to focus on his role as leader of the SWAT division's annual holiday toy drive.

When Adam's girlfriend is kidnapped right in front of him, he shuts out Five-0 and breaks all the rules in order to get her back; the team investigates three seemingly unconnected homicides.

Evidence on a lost, blood-soaked toddler leads the CSI team to her home where each family member's spilled blood tells a tale of horror. Wanda De Jesus guest stars.

While Hetty is at a Senate hearing in Washington, D.C., a murder investigation leads the team to stolen missiles and a dangerous militia group.

The SWAT team races to find a stalker pursuing Tiffany, a social media star, after the dangerous admirer turns a fan event into a shootout that endangers Jessica.

A single mom is happy that her daughter is finally making friends at her new school. Soon she learns that these students follow a dubious and dangerous moral code.

A woman who unknowingly grew up under federal witness protection starts to question everything after her mother's murder. She decides to leave the program and find her mom's killer before he strikes again.

When Jade discovers her mother's secret financial problems, she joins her bad-boy crush Rick in a series of high-profile burglaries that net enough cash to pay off Frida's debts.

The team tries to get inside the mind of a sniper after three people are shot and killed in downtown Miami.

Forensic scientist Abby Sciuto (Pauley Perrette) joins the team when a murder case resembles the pattern of a serial killer she has been tracking.

Nine-year-old Kamryn Johnson is supposed to be at gymnastics class when her mother, Sheraton, receives a frantic phone call saying Kamryn is being held captive for ransom; Kamryn's parents recount the frightening threats the alleged abductor made.

Those closest to Madison Nygard share the agonizing details around the beautiful 16-year-old's terrifying abduction as she walked home from a party; her mother, friends and authorities explain how Madison's attack would ultimately uncover clues.

Junior and Tani track down the thief who robbed his parents' home; Five-0 investigates the murder of a beloved philanthropist and the theft of his valuable koa tree; Danny moves in with McGarrett.

The team tries to get inside the mind of a sniper after three people are shot and killed in downtown Miami.

Forensic scientist Abby Sciuto (Pauley Perrette) joins the team when a murder case resembles the pattern of a serial killer she has been tracking.

Jessica and Chris go under cover in Mexico to save a Mexican federal agent who has been kidnapped by a drug-dealing gang that Jessica helped bring to justice; Hondo's mother worries about him when he engages in renovation projects in her home.

Junior and Tani track down the thief who robbed his parents' home; Five-0 investigates the murder of a beloved philanthropist and the theft of his valuable koa tree; Danny moves in with McGarrett.

A tourist helicopter is shot down by a missile; a search for stolen artillery leads to a ghost from McGarrett's past - Wo Fat; Adam makes a bold decision about his future with Five-0.

Grover and the team investigate a murder at a private golf course involving a man who was frozen to death in the locker room's cryotherapy chamber; McGarrett tags along with Danny when he tracks down the father of a boy who has been bullying Charlie.

Jessica and Chris go under cover in Mexico to save a Mexican federal agent who has been kidnapped by a drug-dealing gang that Jessica helped bring to justice; Hondo's mother worries about him when he engages in renovation projects in her home.

A tourist helicopter is shot down by a missile; a search for stolen artillery leads to a ghost from McGarrett's past - Wo Fat; Adam makes a bold decision about his future with Five-0.

Grover and the team investigate a murder at a private golf course involving a man who was frozen to death in the locker room's cryotherapy chamber; McGarrett tags along with Danny when he tracks down the father of a boy who has been bullying Charlie.

Junior and Tani track down the thief who robbed his parents' home; Five-0 investigates the murder of a beloved philanthropist and the theft of his valuable koa tree; Danny moves in with McGarrett.

The team tries to get inside the mind of a sniper after three people are shot and killed in downtown Miami.

Forensic scientist Abby Sciuto (Pauley Perrette) joins the team when a murder case resembles the pattern of a serial killer she has been tracking.

Jessica and Chris go under cover in Mexico to save a Mexican federal agent who has been kidnapped by a drug-dealing gang that Jessica helped bring to justice; Hondo's mother worries about him when he engages in renovation projects in her home.

Young mother Sherri Papini disappears while jogging and reappears three weeks later on Thanksgiving Day. She claims that two Hispanic women kidnapped and abused her. Four years later, new evidence reveals that her abduction was a hoax she perpetrated to spend time with an ex-boyfriend.

Kidnapped, assaulted and held captive for 18 hours, 15-year-old Kara Robinson plots a daring escape from a serial killer's apartment.

Nine-year-old Kamryn Johnson is supposed to be at gymnastics class when her mother, Sheraton, receives a frantic phone call saying Kamryn is being held captive for ransom; Kamryn's parents recount the frightening threats the alleged abductor made.

Those closest to Madison Nygard share the agonizing details around the beautiful 16-year-old's terrifying abduction as she walked home from a party; her mother, friends and authorities explain how Madison's attack would ultimately uncover clues.

Josh Richards is shot execution style in the middle of a nightclub in Appleton, Wis.; when detectives delve deeper into the investigation, they discover a camera has the potential to reveal the identity of a killer.

A 24-year-old Yale Ph.D. student named Annie Le goes missing; CCTV shows Annie arrive at Yale, but she is not seen leaving; police search every inch of the building, until they find something horrific.

New divorcee Brittany falls for a handsome stranger who appears to be everything her ex-husband, Austin, is not. Austin seriously questions his former wife's new relationship, but his warning falls on deaf ears until it is too late.

An engaged couple's perfect life unravels when one of their exes moves in nest door, threatening their happiness with a hidden agenda.

After a near-fatal house fire, struggling married couple Natalie and Loughlin become the target of an obsessed firefighter who wants to steal Natalie for himself.